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Finding the Fourth Proportional to 907.60, 1,252.52 and 575.95

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Solution

The fourth proportional to 907.60, 1,252.52 and 575.95 is: 794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.60 : 1,252.52 = 575.95 : x
  2. Step 2: Convert to fraction form
    907.60/1,252.52 = 575.95/x
  3. Step 3: Cross multiply
    907.60x = 1,252.52 × 575.95
  4. Step 4: Simplify right side
    907.60x = 721,388.89
  5. Step 5: Solve for x
    x = 721,388.89/907.60
  6. Step 6: Final answer
    x = 794.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.